Lester Holt, anchor of "NBC Nightly News with Lester Holt," toured the U.S. Army Engineer Research and Development Center's Permafrost Tunnel Research Facility in Fox, Alaska, Sept. 14, 2019. The veteran journalist talked to ERDC's Dr. Tom Douglas about key tunnel features and the science of climate change. Douglas is an Alaska-based research chemist assigned to our Cold Regions Research and Engineering Laboratory, based in Hanover, New Hampshire. Tune in to NBC Nightly News TONIGHT to see Holt's report that features the tunnel and other Alaska climate change experts and locales. Check your local listings for the broadcast time in your area.